<script language="javascript">
  function CheckPostHead (){
      if (addForm1.keyword.value == ""){
          //alert("请填写关键词");
          addForm1.keyword.focus();
          return false;
      }
     return true;
  }
</script>
<form action="/article/category/新闻?language=#(C.get('language'))" name="addForm1" method="post" >
    <input type="text" id="keyword" name="keyword" placeholder="">
    <button type="submit"><i class="fa fa-search" aria-hidden="true"></i></button>
</form>